Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California
Version #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 4:42:26 PM (PDT) on Friday, September 5, 2025.
The magnitude 2.7 event occurred 6 km (4 miles) N (9 degrees) of Fontana, CA.
The hypocentral depth is 12 km ( 8 miles).
| Magnitude | 2.7 - local magnitude (Ml) |
| Time | Friday, September 5, 2025 at 4:42:26 PM (PDT) Friday, September 5, 2025 at 23:42:26 (UTC) |
| Distance from |
Fontana, CA - 6 km (4 miles) N (9 degrees) Devore, CA - 9 km (5 miles) SSW (209 degrees) Rialto, CA - 9 km (6 miles) NW (307 degrees) Muscoy, CA - 9 km (6 miles) W (270 degrees) Bloomington, CA - 10 km (7 miles) NNW (334 degrees) |
| Coordinates | 34 deg. 9.3 min. N (34.155N), 117 deg. 26.8 min. W (117.447W) |
| Depth | 12.30 km (7.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=139, Nph=253, Dmin=4.5 km, Rmss=0.2 sec, Erho=0.11 km, Erzz=0.24 km, Gp=25 degrees |
| Event ID# | ci41284440 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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